nats-server: rename (from gnatsd), 1.4.0 -> 2.1.0

Signed-off-by: Austin Seipp <aseipp@pobox.com>

pkgs/servers/nats-server/default.nix

@@ -3,17 +3,16 @@
 with lib;
 
 buildGoPackage rec {
-  pname = "gnatsd";
-  version = "1.4.0";
-  rev = "v${version}";
+  pname   = "nats-server";
+  version = "2.1.0";
 
-  goPackagePath = "github.com/nats-io/gnatsd";
+  goPackagePath = "github.com/nats-io/${pname}";
 
   src = fetchFromGitHub {
-    inherit rev;
-    owner = "nats-io";
-    repo = "gnatsd";
-    sha256 = "0wxdvaxl273kd3wcas634hx1wx5piljgbfr6vhf669b1frkgrh2b";
+    rev    = "v${version}";
+    owner  = "nats-io";
+    repo   = pname;
+    sha256 = "1zp43v69cawbp6bpby1vx51z6nyv8gxnnl2qkhwr9zrgnhlcflnl";
   };
 
   meta = {

pkgs/top-level/aliases.nix

@@ -463,4 +463,8 @@ mapAliases ({
   ocaml_4_01_0 = ocamlPackages_4_01_0.ocaml;
   ocaml_4_02   = ocamlPackages_4_02.ocaml;
   ocaml_4_03   = ocamlPackages_4_03.ocaml;
-}))
+}) // {
+
+  # added 2019-10-28
+  gnatsd = nats-server;
+})

pkgs/top-level/all-packages.nix

@@ -14854,7 +14854,7 @@ in
 
   glabels = callPackage ../applications/graphics/glabels { };
 
-  gnatsd = callPackage ../servers/gnatsd { };
+  nats-server = callPackage ../servers/nats-server { };
 
   gofish = callPackage ../servers/gopher/gofish { };